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A satellite is placed into an earth orbit and passes 100miles above the ground as its closest point while moving at 18,000mph. What is the furthest it gets from the surface, and how fast is it traveling at that point?
Lightbulbs with the power ratings giving in the figure are connected in a circuit as shown. Find the power dissipated to each bulb
A crane lifts a 650-{\rm kg} beam vertically upward 23 {\rm m} and then swings it eastward 18 {\rm m}. How much work does the crane do
A ball of mass 4.9 g with a speed of 22.5 m/s strikes a wall at an angle 29.0o and then rebounds with the same speed and angle. compute the average force exerted by the ball on the wall
A large capacitance of 2.00 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
Suppose a spaceship runs out of fuel near a star. The crew erects a square, white sail 7.06 km on a side, Find the temperature of the star's surface
While traveling along a level highway at a speed of 27m/s you shift the vehicle into neutral and find it takes 45 second to slow down to 20 m/s mile per hours.
A particle with a mass of 3.5 × 10-20 kg is oscillating with simple harmonic motion with a period of 1.9 × 10-5 s and a maximum speed of 3.9 × 103 m/s. estimate the maximum displacement of the particle
A water skier has a mass of 73 kg. Find the magnitude of the net force acting on the skier when she is accelerated from rest to a speed of 13 m/s in 9.4 s
Two bicycle tires are set rolling with the same initial speed of 3.30m/s along a long, straight road, What is the coefficient of rolling friction for the tire under low pressure
a student stands initially at rest at the center of a turntable that can rotate without friction. the student begins to rotate a heavy ball on the end of a 0.800 chain about her head, what is the final total kinetic energy of the system
On a workday the average decibel level of a busy street is 65 kb, with 121 cars passing a given point every minute. If the number of cars is reduced to 33 cars every minute on a weekend, what is the decibel level of the street.
A ball is dropped from rest from the top of a building of height h. What is the height of the two balls when they are passing
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